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Direct dynamic visual servoing at 1 kHz by using the product as 1.5D encoder

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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Abstract

This paper focusses on direct dynamic visual servoing at high sampling rates for machines used for the production of products that inherently consist of equal features placed in a repetitive pattern. A mechanical system is controlled on the basis of vision only. In contrast to kinematic visual servoing approaches, we do not use a hierarchical control structure. More specifically, the motor inputs are driven directly by the vision controller without the intervention of low level joint controllers. The product in view consists of a repetitive pattern, which is used a 1.5D encoder purely on the basis of vision. Using fast image processing and a prediction based on a steady-state Kalman filter a 1 kHz direct visual servoing setup is created capable of using the repetitive pattern as a 1.5D encoder with an accuracy of 50 um. The design is validated on an experimental setup.
Original languageEnglish
Title of host publicationProceedings of the 7th IEEE International Conference on Control & Automation (ICCA'09)
Place of PublicationNew Zealand, Christchurch
PublisherInstitute of Electrical and Electronics Engineers
Pages361-366
ISBN (Print)978-1-4244-4706-0
DOIs
Publication statusPublished - 2009
Eventconference; ICCA'09, 7th IEEE International Conference on Control & Automation, Christchurch, New Zealand, December 9-11, 2009; 2009-12-09; 2009-12-11 -
Duration: 9 Dec 2009 → 11 Dec 2009

Conference

Conferenceconference; ICCA'09, 7th IEEE International Conference on Control & Automation, Christchurch, New Zealand, December 9-11, 2009; 2009-12-09; 2009-12-11
Period9/12/09 → 11/12/09
OtherICCA'09, 7th IEEE International Conference on Control & Automation, Christchurch, New Zealand, December 9-11, 2009

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